7995_c4v8.pdf

3'-0" >

(TYP)

2•"

2ƒ"

WAY (TYP)

WASHER OUTSIDE TRAVEL

HEAD BOLT W/NUT AND

†" DIA. X8" LG. CARRIAGE

TRAVEL WAY (TYP)

W/NUT & WASHER OUTSIDE

†" DIA. DOME HEAD BOLT

EXISTING GRADE

BEARING

BEARING

4" (TYP)

VARIES

(TYP)

2•"

WITH DECK REMOVED

STRINGERS SHOWN

ELEVATION OF STRUCTURE

PLAN VIEW

DIA. PTS. 1/2

POSSIBLE TO TOP FLANGE

LOCATE AS CLOSE AS

C6X10.5 DIAPHRAGM

2ƒ"

BOLTS EACH LEG

W/ MIN (2) •" DIA. A307

3X3X‚ X6" STEEL ANGLE

BOLTS INTO STRINGER WEB

(4) •" DIA. ASTM A-307

STAIRS

FOR LANDING AND

4'-0" (MAX)

POST SPACING

LANDING

TOP STEP FLUSH WITH

(TYP)

6"

APPROVED EQUAL.

MCNICHOLS GRIP STRUT OR

14 GA. GALVANIZED PLANK GRATING,

DECKING SHALL BE REVERSED DIAMOND

(TYP)

MIN 3' IN THE GROUND

4" GALVANIZED METAL PIPE

STRINGER BAY (TYP)

#6 REBAR DRIFT PIN EACH

4' LONG (MIN)

EACH END (TYP)

DIAPHRAGMS REQUIRED

BLOCKING/

STRINGER) (TYP)***

STEEL ANGLES (2 EA.

SILL W/ 4X4X‚

ATTACH STRINGERS TO

3" DIA. (TYP)

LIMIT ROCK SIZE TO

ORGANIC FREE SOIL.

BACKFILL APPROACHES WITH

CRUSHED AGGREGATE

4"- 1" MINUS

8X8 RAILROAD TIE

ELEVATION OF STRUCTURE

ALTERNATIVE

BOLTS AT RAIL SPLICE (TYP)

CARRIAGE HEAD

(2) †" DIA. X8" LG.

VARIES

CLEAR OPENING

LANDING CROSS-SECTION

DIAPHRAGM DETAIL

STEEL STRINGER/NAILER & RAIL SPLICE DETAIL

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SCALE

DATE

PROJECT NO:

DRAWING NO:

OFSHEET

AS SHOWN

M.0044085

4 5

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7995.5

08 MAY 15

D E

T A I

L S

S T

A I

R C

A

W/BOLTS.(TYP)

ATTACHED TO STRINGER

BACKWALL METAL PLATE

(TYP)

END BLOCKING

12" WIDE METAL

CAP (TYP)

X6" LG. LAG BOLTS. (TYP)

SILL PIPE USING †"DIA.

ATTACH STINGERS TO

3X3X1/4 ANGLES WITH †" DIA. BOLTS.

ATTACHED TO THE BASE PLATE WITH

ALUMINUM STRINGER WITH ELONGATED HOLES

TO STRINGERS WITH ELONGATED HOLES.

•" DIA. A307 BOLTS.(TYP)

TREAD SHALL BE BOLTED WITH

APPROVED EQUAL.

MCNICHOLS GRIP STRUT OR

4- REVERSE DIAMOND TREAD,

14 GAUGE GALVANIZED STANDARD

BELOW)

STRINGER (SEE DETAIL

4" ALUMINUM U RAIL

(MAX)

@4'-0" O.C.

4" PIPE POST

(TYP)

U RAIL

U RAIL (TYP)4" PIPE

@ 4'-0" O.C.(MAX),(TYP)

W/1/2" DIA.A307 BOLTS.

BOLTED TO THE STRINGERS

4" GALVANIZED METAL PIPE

CAP (TYP)

CAP (TYP)

NO. 6 REINFORCING BARS MEETING ASTM A615.

RING SHANK NAILS OR WOOD SCREWS. DRIFT PINS FOR SILL SHALL BE DEFORMED

ASTM A307 HOT DIPPED GALVANIZED. FASTENERS SHALL BE HOT DIPPED GALVANIZED

7. ALL BOLTS, WASHERS, NUTS AND MISCELLANEOUS METAL HARDWARE SHALL BE

WHERE PRIMER HAD BEEN REMOVED DUE TO PLACEMENT.

ONCE STEEL IS SITUATED IN FIELD, APPLY ZINC OXIDE PRIMER TO ALL AREAS

TWO COATS OF ZINC OXIDE PRIMER AFTER FABRICATION.

TO ASTM A 572 GRADE 50. STEEL ANGLES SHALL MEET ASTM A 36. SHOP PRIME

6. STEEL FOR STRINGERS, AND OTHER STRUCTURAL SECTIONS, SHALL CONFORM

INTO THE GROUND 18" OR ATTACHED WITH 6" DRILLED HOLES IN SOLID ROCK W/ EXPENSION BOLTS

5. BOTTOM OF THE STAIRS SHALL HAVE CLIP ANGLES THAT SHALL HAVE THREADED BAR DRIVEN

ALONG THE TOP RAIL

POUND CONCENTRATED LOAD APPLIED AT ANY POINT, IN ANY DIRECTION

TOP RAIL, FURTHER THE RAIL SHALL BE ABLE TO RESIST A SINGLE 200

RAILING - 50 POUNDS PER LINEAR FOOT APPLIED IN ANY DIRECTION ALONG THE

LANDING - UNIFORMLY DISTRIBUTED LOAD OF 60 POUNDS PER SQUARE FOOT.

STAIRS - UNIFORMLY DISTRIBUTED LOAD OF 100 POUNDS PER SQUARE FOOT.

4. DESIGN LOADS:

FULL BEARING ON WALL

PROVIDE BEARING PLATES, SHIMS, ETC., AS RECOMMENDED BY THE MANUFACTURER TO ENSURE

3. ATTACHMENT SHALL BE IN ACCORDANCE WITH MANUFACTURER'S WRITTEN RECOMMENDATIONS.

THERE SHALL BE SMOOTH TRANSITION FROM THE TRAIL ONTO THE LANDING.

2. DECKING PLANKS SHALL BE INSTALLED BY MANUFACTURER RECOMMENDATIONS.

ALL JOINTS AND CONNECTIONS SHALL BE BOLTED OR BE CONTINUOS WELDED, GRIND SMOOTH.

FOR STAIRS AND LANDINGS. STAIRWAYS AND LANDINGS SHALL HAVE HANDRAILS AT BOTH SIDES.

1. CONTRACTOR SHALL VERIFY ALL DIMENSIONS AND ELEVATIONS PRIOR TO ORDERING MATERIALS

GENERAL NOTES:

7995_c1v8.dgn Default 3/29/2016 3:06:02 PM